What we need to quote
Architectural or slab plans, slab type - raft, waffle pod or suspended - site address, approximate pour date, plus engineering details on any retaining walls or step-downs.
Pre-Construction Termite Barriers in Marayong 2148 — local technicians, fixed prices and a written report. Barriers are quoted off your plans and slab details.
Real, verified feedback from people we've helped — straight from Google.
Where Marayong sits, who covers it and what it costs.
Marayong is part of the Blacktown & Mount Druitt, 32.1 km or so north-west of the GPO, and 2148 is a postcode we know well. We cover Marayong on scheduled runs through the Blacktown & Mount Druitt, and we will give you a firm time rather than a window.
Our Marayong work takes in the streets by Woodcroft Shopping Village and Marayong station, through to Marayong Park at the other end.
We work under the Blacktown City area here, and Kings Park, Woodcroft and Blacktown are all on the same route, which matters when termite problems are moving between adjoining properties. Estate blocks are compact with narrow side passages, so access and the perimeter are where most of the work happens.
The bulk of our Marayong work is recently built homes where the activity started at the boundary. Mention the detail when you call 1300 313 373 - it decides how long we need on site.
All of 2148 falls inside the area we service.
We confirm your slot the day before and arrive at a stated time. Kings Park and Woodcroft sit on the same run, so earlier appointments in 2148 come up regularly.
Tell whoever does the landscaping on your Marayong build to keep soil, mulch and paving below the slab edge. It is the single most common way a good system is quietly defeated.
A barrier is only as good as its weakest penetration. One untreated conduit gives a colony a clean route into the frame.
It is not guidance. It is the benchmark a private certifier assesses against, which is why we install to the approved plan rather than to habit.
Photos from our own Sydney installations, not stock images. We recommend the right mix for your slab design, site and budget.

A termite-resistant physical layer across the prepared ground, installed before the pour and covering the whole slab footprint.

Collars are sealed to every plumbing and electrical penetration through the slab, the most frequent concealed entry route there is.

The slab edge and the wall cavity take a physical barrier, which denies termites a concealed route up the outside of the slab.

APVMA-registered termiticide applied to the soil, with the option of a reticulation pipe network so the barrier can be recharged later without digging.

Bearers, piers and suspended timber floors protected on sloping and elevated sites.

Detailed work against retaining walls, sandstone cuts, step-downs and the cut-and-fill sites common around Sydney.
Once the slab is poured, the areas termites use most are sealed away for good.
Doing it now is far cheaper than retrofitting a system later, and cheaper again than repairing termite damage.
New Class 1 homes and Class 10 outbuildings need a compliant termite management system where the primary building elements are susceptible.
Full protection of pipe penetrations and slab joints is possible only before the concrete is poured over them.
Areas no post-construction treatment can ever reach are covered by an under-slab system.
Before issuing the Occupation Certificate, the certifier requires both the installation certificate and the durable notice.
Compliant protection with the paperwork to prove it satisfies buyers, building inspectors and lenders.
Talk to a licensed Sydney technician today - honest advice and a fixed quote within 30 minutes.
Both approaches can comply with AS 3660.1. Many Sydney builds use a combination.
| System | How it works | Durability & upkeep | Best suited to |
|---|---|---|---|
| Physical membrane, mesh or graded stone | Sheet, stainless mesh or graded stone creating a layer termites cannot chew through, under the slab or at the perimeter | As durable as the slab itself when left undisturbed, with no top-ups needed | Slab-on-ground homes and non-chemical preferences |
| Penetration collars | Physical collars sealed around every pipe and conduit through the slab | Long-lasting when installed correctly before the pour | Every slab. Usually combined with a perimeter system. |
| Chemical soil barrier | A zone of termiticide-treated soil under and around the structure | Service life follows the product label and soil conditions; re-application is possible | Budget-sensitive builds and certain complex sites |
| Reticulation system | Pipes laid in before the paving goes down, so termiticide can be pumped back into the soil | Recharging is possible for the building's life without disturbing paths | Properties ringed by paving or landscaping |
| Baiting (post-construction) | In-ground stations that monitor and then eliminate the colony | The stations require servicing on a regular schedule | Existing homes - see termite control |
Termite barriers are installed in stages that follow the build, not in a single visit.
We work from your drawings and slab details, specify a system, and fix the price stage by stage before anything is booked.
Every service gets its collar, then the under-slab membrane or chemical treatment is installed on the prepared site.
While the brickwork or cladding goes up, the perimeter and cavity barriers are installed, leaving no gap at the slab edge.
If specified, the chemical perimeter or reticulation system is finished around the completed building before paving and landscaping start.
A durable notice fixed in the meter box records the system, and the installation certificate is provided to the builder and the certifier.
Maintenance advice and an inspection schedule go to the owner, so the system keeps doing its job.
| Document | What it is | Who needs it |
|---|---|---|
| Durable notice | A permanent notice fixed inside the meter box recording system, installation date, chemical life expectancy, installer and inspection advice | Certifier, owner and future owners |
| Installation certificate | Written confirmation of what system and products went in, the areas protected, and the installer's licence | Builder and certifier, plus the owner's records |
| Product information | Specifications for the physical system or termiticide used, plus safety data sheets where chemicals are involved | Builder and owner |
| Maintenance & inspection advice | How to keep the barrier effective, and the recommended inspection frequency (AS 3660.2) | Homeowner |
Architectural or slab plans, slab type - raft, waffle pod or suspended - site address, approximate pour date, plus engineering details on any retaining walls or step-downs.
We schedule around the plumber's set-out and the concreter's pour. Tell us when services are in and we will confirm the collar installation before the pour inspection.
Developers and volume builders work to consistent pricing with a single contact and documentation for every dwelling.
Occupation certificate delays usually trace to a missing durable notice or poor records. We give the certifier the full set in one go.
A barrier only works if it stays intact and visible. Homeowners should follow these points for the life of the building.
| Factor | Why it matters |
|---|---|
| Footprint and perimeter | More area means more membrane, more perimeter protection and more time on site |
| System chosen | Full under-slab physical, perimeter-only, chemical and reticulation options are each priced differently |
| Penetration count | Every plumbing and electrical service through the slab needs a collar fitted |
| Difficulty of the site | Retaining walls, step-downs, sandstone excavation and suspended floors add to the detailing |
| Number of site visits | Staged installations follow the build program. Multi-dwelling sites may be combined. |
Send your plans for a fixed, written quote. There's no charge to quote.
Much of western and south-western Sydney sits on reactive clay that moves with moisture. Around Marayong that movement can open hairline paths underground where nothing is visible from the surface.
It is one of the few construction details that still matters commercially fifteen years later.
Clearing removes the trees, not the nests. Stumps and root systems left in the ground around Marayong developments keep colonies alive right under the new slabs.
NSW Pest Management licence 5122967, with installations to AS 3660.1.
We fit the builder's program, so no barrier stage ever delays a pour.
Everything the certifier wants: durable notice, installation certificate, product details.
From a single dwelling or granny flat through to duplexes and multi-unit projects.
Everything you need to know before you book. Still unsure? Call us — we're happy to help.
Get a Free QuoteBarriers are quoted off your plans and slab details. Two things move it: how big the place is, and how far it has already spread. We work that out on the phone or on site and tell you the figure before anything starts in Marayong. You get the AS 3660.1 certificate and the durable notice for the meter box.
We cover it on scheduled runs, so a day's notice gets you the best slot. We are about 32.1 km north-west of the city here, and Marayong is covered by the Blacktown & Mount Druitt team.
Uniform houses on small lots means uniform conditions. Whatever suits termites at your address suits them at the ten around it, so these problems move along a street rather than stopping.
Newer detached homes on compact blocks, so access down the side and the shared fence line shape how we work.
We do all of those. A good share of the Marayong jobs we run are tenanted or strata properties, so the written record comes as standard.
It is, provided the instructions are followed. We will tell you what to keep clear of and for how long before we leave. Let us know about children, pets or fish tanks when you book.
Normally you can stay. Some treatments mean keeping out of a particular room briefly, and we will flag that when we arrive so you can plan around it.
Allow an hour to two hours for most properties. A bigger building, or one where the problem has spread, takes longer - and we would rather tell you that when quoting than rush it.
You get the AS 3660.1 certificate and the durable notice for the meter box. Ring us if activity picks up again inside that period and we will arrange the return.
Yes - we work right across the Blacktown City area, which takes in Marayong and the suburbs around it.
Photographs from Elite jobs across Sydney — not stock imagery.
Fully insured technicians who turn up when they say they will. Quote within 30 minutes, no obligation.